<?xml version="1.0" encoding="utf-8"?>
<!--
Taxonomy Calculation Links linkbase based on XBRL standard Version 2.1.
Created by UBmatrix Taxonomy Designer 1.0.0.0 (2006-07-25 17:18).  
Contact www.ubmatrix.com
Copyright (c) 2002-2006 UBmatrix inc., All Rights Reserved
Produced on 2006-07-26 17:27:25
-->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation=" http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <arcroleRef xlink:type="simple" xlink:href="ArcRoleCustomEndPoints.xsd#averageOf-quantity" arcroleURI="http://www.example.com/averageOf-quantity" />
  <arcroleRef xlink:type="simple" xlink:href="ArcRoleCustomEndPoints.xsd#countOf-item" arcroleURI="http://www.example.com/countOf-item" />
  <calculationLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <loc xlink:type="locator" xlink:href="ArcRoleCustomEndPoints.xsd#test_AverageRevenue" xlink:label="test_AverageRevenue" />
    <loc xlink:type="locator" xlink:href="ArcRoleCustomEndPoints.xsd#test_GrossRevenue" xlink:label="test_GrossRevenue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.example.com/averageOf-quantity" xlink:from="test_AverageRevenue" xlink:to="test_GrossRevenue" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ArcRoleCustomEndPoints.xsd#test_CountWidgetsReported" xlink:label="test_CountWidgetsReported" />
    <loc xlink:type="locator" xlink:href="ArcRoleCustomEndPoints.xsd#test_Name" xlink:label="test_Name" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.example.com/countOf-item" xlink:from="test_CountWidgetsReported" xlink:to="test_Name" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ArcRoleCustomEndPoints.xsd#test_TotalUnitsSold" xlink:label="test_TotalUnitsSold" />
    <loc xlink:type="locator" xlink:href="ArcRoleCustomEndPoints.xsd#test_UnitsSold" xlink:label="test_UnitsSold" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="test_TotalUnitsSold" xlink:to="test_UnitsSold" order="1" weight="1" use="optional" />
  </calculationLink>
</linkbase>